2nd try - DPS: need to have multitple certificate mappings/search methods

My 6.3 DPS is configured to authentificate end-users through SASL binds and to request a client certificate.
I need to use 4 user attributes (cn,sn,givenname,ou) defined in the backend LDAP directory to map certificates to LDAP entries.
The problem is that some servers are also connecting through DPS but their certificate doesn't contain any givenname attribute.
So, they can not be authenticated by DPS which rejects their connections.
I wish we could define multiple certificate mapping strategies in DPS (or at least a prefered and a default strategy) in order to have
a workaround in such a situation.
Any plan to implement that feature or any suggested workaround (other than creating new server certificates and entries with a givenname) ?

Here's what I see in the access and error log:
Access log:
[07/Jan/2010:15:48:35 +0100] - CONNECT - INFO - conn=309 client=217.108.164.186:47961 server=rct-31.gipc.hst.fluxus.net:1636 protocol=LDAPS
[07/Jan/2010:15:48:35 +0100] - PROFILE - INFO - conn=309 assigned to connection handler cn=Gestionnaire de connexion ultime,cn=connection handlers,cn=config
[07/Jan/2010:15:48:35 +0100] - OPERATION - INFO - conn=309 op=0 BIND dn="" method="SIMPLE" version=3
[07/Jan/2010:15:48:35 +0100] - OPERATION - INFO - conn=309 op=0 BIND RESPONSE err=0 msg="" etime=0
Error log:
[07/Jan/2010:15:48:01 +0100] - EXCEPTION - DEBUG - Exception thrown from thread Connection Handler 1 for Listener Thread 0.0.0.0:1389
javax.net.ssl.SSLException: Inbound closed before receiving peer's close_notify: possible truncation attack?
com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:166)
com.sun.net.ssl.internal.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1356)
com.sun.net.ssl.internal.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1324)
com.sun.net.ssl.internal.ssl.SSLEngineImpl.closeInbound(SSLEngineImpl.java:1263)
com.sun.directory.proxy.extensions.LDAPClientConnection.disconnect(LDAPClientConnection.java:1541)
com.sun.directory.proxy.extensions.LDAPClientConnection.disconnect(LDAPClientConnection.java:1482)
com.sun.directory.proxy.extensions.LDAPConnectionHandler.runThread(LDAPConnectionHandler.java:457)
com.sun.directory.proxy.util.DistributionThread.run(DistributionThread.java:225)
[07/Jan/2010:15:48:36 +0100] - EXCEPTION - DEBUG - Exception thrown from thread Connection Handler 1 for Listener Thread 0.0.0.0:1636
java.io.IOException: Received CLOSED during initial handshaking
com.sun.directory.proxy.extensions.LDAPClientConnection.doHandshake(LDAPClientConnection.java:398)
com.sun.directory.proxy.extensions.LDAPClientConnection.read(LDAPClientConnection.java:1229)
com.sun.directory.proxy.extensions.LDAPConnectionHandler.runThread(LDAPConnectionHandler.java:346)
com.sun.directory.proxy.util.DistributionThread.run(DistributionThread.java:225)
[07/Jan/2010:15:48:36 +0100] - EXCEPTION - DEBUG - Exception thrown from thread Connection Handler 1 for Listener Thread 0.0.0.0:1636
java.io.IOException: Received CLOSED during initial handshaking
com.sun.directory.proxy.extensions.LDAPClientConnection.doHandshake(LDAPClientConnection.java:398)
com.sun.directory.proxy.extensions.LDAPClientConnection.disconnect(LDAPClientConnection.java:1547)
com.sun.directory.proxy.extensions.LDAPClientConnection.disconnect(LDAPClientConnection.java:1482)
com.sun.directory.proxy.extensions.LDAPConnectionHandler.runThread(LDAPConnectionHandler.java:457)
com.sun.directory.proxy.util.DistributionThread.run(DistributionThread.java:225)
Unfortunately, since I don't have access to the back-end DS access log, should I see more details (of interest !) on the DPS side
with a higher log level ?
From my understanding and with my DPS config, when DPS chooses the "Gestionnaire de connexion ultime" connection handler, it means
it hadn't been able to map the certificate's owner to an LDAP entry. (This connection handler has the lowest priority in my DPS configuration).
I've to check (with my customer), but it could be that with the existing back-end DS content, the problem is that when DPS searches for the certificate's owner LDAP entry with only 3 attributes, it's returned more than a single entry.
Actually, otherwise, since I don't see any obvious problem in the error log, and thanks to your feedback, I can't see any other possible problem,
provided that the customer is confident in the fact that there's an entry with the right certificate in the DS back-end .

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    My 6.3 DPS is configured to authentificate end-users through SASL binds and to request a client certificate.
    I need to use 4 user attributes (cn,sn,givenname,ou) defined in the backend LDAP directory to map certificates to LDAP entries.
    The problem is that some servers are also connecting through DPS but their certificate doesn't contain any givenname attribute.
    So, they can not be authenticated by DPS which rejects their connections.
    I wish we could define multiple certificate mapping strategies in DPS (or at least a prefered and a default strategy) in order to have
    a workaround in such a situation.
    Any plan to implement that feature or any suggested workaround (other than creating new server certificates and entries with a givenname) ?

    My 6.3 DPS is configured to authentificate end-users through SASL binds and to request a client certificate.
    I need to use 4 user attributes (cn,sn,givenname,ou) defined in the backend LDAP directory to map certificates to LDAP entries.
    The problem is that some servers are also connecting through DPS but their certificate doesn't contain any givenname attribute.
    So, they can not be authenticated by DPS which rejects their connections.
    I wish we could define multiple certificate mapping strategies in DPS (or at least a prefered and a default strategy) in order to have
    a workaround in such a situation.
    Any plan to implement that feature or any suggested workaround (other than creating new server certificates and entries with a givenname) ?

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